Project Information: Work involves construction work to build the Sewer for excess rainfall in the Pinos Subbasin. 2,400 m of excavation will be carried out with an EPB boring machine, with a diameter of 4.80 m. To cover the sewer, 20 cm thick voussoir rings will be used. Each voussoir is made up of 6 parts + the key.
- Cross section: 4.7 m of diameter
- Length: 2,400 m
Method of Tunneling:
- Excavation with an EPB tunnel boring machine of 4.20 interior diameter
Geology and Geotechnical Data: Sand and Clay
- EPB tunnel boring machine of 4.20 interior diameter